High availability

The configuration is not synchronized between the primary and backup OPNsense

Started by user31

Replies: 5
Views: 8,298

August 29, 2025, 01:44:35 PM
by Patrick M. Hausen

Updating firmware on a HA pair, and no outbound comms from secondary unit

Started by RussM

Pages1 2

Replies: 15
Views: 28,969

August 29, 2025, 07:14:36 PM
by kuya1284

Unbound on secondary keeps restarting

Started by tofuSCHNITZEL

Replies: 2
Views: 10,407

September 01, 2025, 11:22:15 PM
by tofuSCHNITZEL

Outbound IP4 traffic blocked on WAN interface of backup system

Started by ajr

Replies: 7
Views: 15,321

September 07, 2025, 04:42:25 PM
by ajr

CARP - change gateway status on switch from master/backup

Started by Bubba88

Replies: 1
Views: 7,337

September 10, 2025, 08:04:53 PM
by gene.vigelis@gmail.com

2NIC firewall - Should it be WAN/LAN shared or LAN/CARP shared?

Started by user290920

Replies: 5
Views: 15,209

September 12, 2025, 09:09:52 PM
by Patrick M. Hausen

Trouble setting up HA 25.7.3

Started by davidfi01

Replies: 3
Views: 18,356

September 13, 2025, 11:19:40 PM
by davidfi01

CARP + BSD dhcrelay causes duplicate ACKs – Suggest replacing with ISC dhcrelay

Started by Rookie24

Replies: 3
Views: 16,378

September 15, 2025, 12:04:02 PM
by Marius Rieder

Ethernet unplugging does not trigger failover

Started by pinpoint

Pages1 2

Replies: 24
Views: 54,063

September 22, 2025, 03:18:07 PM
by pinpoint

Add 2nd firewall to existing OPNsense network (trying to configure HA)

Started by user290920

Replies: 2
Views: 19,091

September 22, 2025, 05:58:30 PM
by Patrick M. Hausen

pfsync0 interface output errors

Started by Phoenix4

Replies: 0
Views: 11,034

September 24, 2025, 12:31:13 PM
by Phoenix4

Using Gateway Group for HAProxy

Started by user290920

Replies: 1
Views: 12,239

October 01, 2025, 07:04:55 PM
by viragomann

HA Sanity Check - Not worth it for me, right?

Started by Linwood

Replies: 0
Views: 13,304

October 03, 2025, 08:26:12 PM
by Linwood

Failover WAN

Started by Peter847

Replies: 1
Views: 10,459

October 13, 2025, 07:26:48 PM
by Maurice

OPNsense HA CARP – Backup node never becomes MASTER, primary continuou crashes

Started by Peter_Lanser

Replies: 0
Views: 8,663

October 14, 2025, 04:16:38 PM
by Peter_Lanser

Unable to access internet after CARP HA configuration, but NAT working.

Started by 469

Replies: 5
Views: 22,022

October 24, 2025, 01:43:07 AM
by elie

How to avoid asymmetric routing when connecting to backup router?

Started by GrapplingHero

Replies: 1
Views: 9,767

October 24, 2025, 04:55:16 PM
by viragomann

How to do high availability on DHCPv6-PD + DS-Lite?

Started by GrapplingHero

Replies: 0
Views: 7,861

October 28, 2025, 04:03:15 PM
by GrapplingHero

Certificates don't sync anymore

Started by ChrisH

Replies: 1
Views: 10,822

November 07, 2025, 10:32:54 AM
by franco

Red Square in /ui/core/hasync_status on OpenVPN instances but sync seems fine

Started by Zugschlus

Replies: 9
Views: 16,584

November 07, 2025, 04:37:05 PM
by Zugschlus